Site Reliability Engineer: Kubernetes & VM Platform

Optimum; Bethpage (NY); On-site; USD 84,000 - 137,000; Full time

Job summary

Optimum is seeking a Site Reliability Engineer I to support and maintain enterprise virtualization and container platforms powering critical business apps. You will work with VMware, Nutanix, and Kubernetes across multiple data centers, under guidance from senior engineers, building automation and platform engineering expertise.

The role emphasizes virtualization, Kubernetes, automation, and platform operations within a large-scale enterprise environment.

Qualifications

• Experience with VMware vSphere, ESXi, vCenter, and clustering concepts.
• Hands-on Kubernetes experience including deployments, services, and storage.
• Scripting and automation using PowerShell, Python, or Bash.
• Familiarity with CI/CD tools and Git-based workflows.
• Experience with OpenShift, Rancher, or Tanzu is a plus.

Responsibilities

• Support VMware, Nutanix AHV, and Kubernetes environments across data centers.
• Perform health checks and monitor cluster, host, and VM performance.
• Assist with upgrades, patching, lifecycle management, and maintenance.
• Support VM provisioning, migrations, and decommissioning tasks.
• Help operate enterprise Kubernetes workloads and containerized apps.
• Collaborate on cluster deployment, upgrades, and operations.
• Monitor health and availability of clusters and applications.
• Troubleshoot infrastructure and application issues in Kubernetes.

Skills

VMware vSphere knowledge

Kubernetes platforms

Automation scripting

CI/CD familiarity

OpenShift/Rancher familiarity

Tools

PowerShell

Python

Bash

Git

Terraform

Ansible

Job description

Optimum is seeking a Site Reliability Engineer I to support and maintain enterprise virtualization and container platforms powering critical business apps. You will work with VMware, Nutanix, and Kubernetes across multiple data centers, under guidance from senior engineers, building automation and platform engineering expertise.

The role emphasizes virtualization, Kubernetes, automation, and platform operations within a large-scale enterprise environment.